Error: "All devices disabled, cannot mine!"

[Uest3]

I'm using Ubuntu 12.0.4 and receive this error when I try to use Cgminer:

               
All devices disabled, cannot mine!

I also tested GUI miner but is working with 100% CPU usage.
I'm not an expert and don't know how to fix the problem. Thanks for your suggestions.

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[crazyates]

Post your CGMiner version, command line arguments, what type of cards you're using, and what driver/SDK. The lack of information you provided doesn't help anyone trying to help you.

[Uest3]

./cgminer/cgminer -o http://coinotron.com:9322 -u *** -p ***

AMD-APP-SDK-v2.8-lnx32.tgz
Radeon HD 5450

Kernel driver in use: fglrx_pci
Kernel modules: fglrx, radeon


I changed SDK to version 2.6
Reinstalled Cgminer

./cgminer -n result:

Code:

CL Platform 0 vendor: Advanced Micro Devices, Inc.                    
CL Platform 0 name: AMD Accelerated Parallel Processing                    
CL Platform 0 version: OpenCL 1.2 AMD-APP (1016.4)                    
Error -1: Getting Device IDs (num)                    
clDevicesNum returned error, no GPUs usable                    
0 GPU devices max detected  

When I try to start Cgminer

Code:

Started cgminer 2.11.4                    
Error -1: Getting Device IDs (num)                    
clDevicesNum returned error, no GPUs usable                    
All devices disabled, cannot mine!

[gnar1ta$]

Did u set DISPLAY ?

Code:

export DISPLAY=:0
./cgminer -n

[Uest3]

I don't know, I just folowed some tutorials.

Same as above:

Code:

CL Platform 0 vendor: Advanced Micro Devices, Inc.                    
CL Platform 0 name: AMD Accelerated Parallel Processing                    
CL Platform 0 version: OpenCL 1.2 AMD-APP (1016.4)                    
Error -1: Getting Device IDs (num)                    
clDevicesNum returned error, no GPUs usable                    
0 GPU devices max detected  

Also during the installation:

Code:

Configuration Options Summary:

  curses.TUI...........: NOT FOUND. TUI support DISABLED
  OpenCL...............: FOUND. GPU mining support enabled
  scrypt...............: Disabled
  ADL..................: SDK NOT found, GPU monitoring support DISABLED

[gnar1ta$]

It says it didn't find your SDK. Your building it wrong. Post your configure command.

[Uest3]

Finally after 2 days I installed cgminer but now I have a new error, the one described here https://bitcointalk.org/index.php?topic=139406.0, only errors, I will try a new miner.

[qiuness]

having the same issue

[patthefrenchguy]

Hi, I am new newby and I have the same issue!
CGMINER 2.6.5 I just bought a usb block erupter 333mg and I suppose i have to find a driver but where?
Any help would be appreciate... 

[-ck]

Hi, I am new newby and I have the same issue!
CGMINER 2.6.5 I just bought a usb block erupter 333mg and I suppose i have to find a driver but where?
Any help would be appreciate... 

Download the latest cgminer (3.12.3) and read the file called ASIC-README. That is an ancient version you are trying.